ENERGY STAR^® Certification Programs

Keystone is a leading EPA-Recognized Certification Body (CB) working to qualify a wide range of products for listing in the ENERGY STAR^®program.

• NFRC Inspection Agency (IA) Services

  Keystone is a National Fenestration Rating Council (NFRC) licensed Inspection Agency (IA). The NFRC Certification Program offers fenestration (window and door) manufacturers a third party verified, nationally-recognized method for demonstrating product U Factor, Solar Heat Gain Coefficient (SHGC) and other energy performance characteristics.

• StarGuard^TM Energy Star Certification Programs

  Keystone's StarGuard^TM Energy Performance Certification Programsqualify a variety of products for the EPA's ENERGY STAR^®Program, including:

  • Imaging Equipment